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WO/2023/282072A1 |
When a non-oriented electrical steel plate is manufactured by hot rolling a slab including predetermined amounts of C, Si, Mn, Al, N and Cr, annealing the hot-rolled plate, cold rolling, and finish annealing in a continuous annealing fur...
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WO/2023/282256A1 |
[Problem] To extend the rolling fatigue life of a universal joint component such as a cross rolling component. [Solution] A production method for a universal joint component having a prior-austenite crystal grain size of 7-11 in accordan...
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WO/2023/282071A1 |
In the present invention, when a slab containing prescribed amounts of C, Si, Mn, Al, N, and Cr is hot rolled, hot-rolled-sheet annealed, cold rolled, and finishing-annealed in a continuous annealing furnace to manufacture a non-oriented...
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WO/2023/282196A1 |
Provided are: a high-strength non-oriented electromagnetic steel sheet having good fatigue characteristics suitable for a rotor core; and a non-oriented electromagnetic steel sheet having excellent magnetic characteristics suitable for a...
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WO/2023/281035A1 |
The invention relates to a coated and optionally temper-rolled dual phase steel strip with a tensile strength Rm of 580 - 720 MPa and a yield strength Rp of 310 - 430 MPa, having improved formability. The invention also relates to a meth...
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WO/2023/282194A1 |
Provided is a non-oriented electromagnetic steel sheet having favorable fatigue characteristics that are suitable for rotor cores, and having excellent magnetic characteristics that are suitable for stator cores.　The non-oriented elect...
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WO/2023/282195A1 |
Provided is a non-oriented electromagnetic steel sheet having good fatigue characteristics suitable for a rotor core, and excellent magnetic characteristics suitable for a stator core.　The non-oriented electromagnetic steel sheet has a...
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WO/2023/281939A1 |
The present invention provides a high-strength steel plate that has outstanding stretch flanging properties, bending properties, and LME resistance characteristics, and is such that components having high dimensional precision can be man...
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WO/2023/281022A1 |
The disclosure relates to a process for the manufacture of a steel component comprising a fine-grained martensite structure component. The process comprises the steps of providing a steel component having an initial steel composition; in...
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WO/2023/279658A1 |
A copper wire drawing annealing solution and a use method thereof. The total weight of the copper wire drawing annealing solution is 100 parts. The copper wire drawing annealing solution comprises the following components in parts by wei...
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WO/2023/282197A1 |
Provided are: a high-strength non-oriented electromagnetic steel sheet having favorable fatigue characteristics suitable for a rotor core; and a non-oriented electromagnetic steel sheet having excellent magnetic characteristics suitable ...
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WO/2023/277291A1 |
A hot-stamped component according to an embodiment of the present invention comprises: a steel sheet; a plating layer located on the steel sheet and containing Zn; and a surface layer located on the plating layer, wherein the surface lay...
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WO/2023/278878A1 |
Alloy materials and three-dimensional (3-D) printed alloys are disclosed. An alloy in accordance with an aspect of the present disclosure comprises aluminum, magnesium, and silicon wherein a composition of the alloy comprises from at lea...
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WO/2023/276913A1 |
A coil spring according to one embodiment of the present invention is formed of an element wire that is helically wound, and has end turn sections and an effective section. The surface of the element wire in each end turn section has a r...
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WO/2023/277292A1 |
A hot stamping component according to one embodiment of the present invention comprises: a steel sheet; a plating layer positioned on the steel sheet and comprising Zn; and a surface layer positioned on the plating layer, wherein the sur...
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WO/2023/276971A1 |
[Problem] To make it possible to ensure sufficient hardness of the outer peripheral surface of an axially intermediate part of a planetary gear support shaft, and to ensure satisfactory impact resistance thereof. [Solution] A planetary g...
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WO/2023/276411A1 |
Provided is ferritic stainless steel exhibiting good brazability in high-temperature brazing using a Ni-containing brazing material and having excellent post-brazing corrosion resistance.　This ferritic stainless steel has a composition...
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WO/2023/277063A1 |
Provided are a coating material for an in-furnace structure excelling in an anti–sulfur group corrosion property, a surface coating method, and an in-furnace structure. The coating material for an in-furnace structure has a component c...
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WO/2023/272609A1 |
The invention discloses a high-precision seamless pipe having a special-shaped hexagonal cross-section with a circle inside for use in nuclear power, which is made of stainless steel or a corrosion-resistant alloy having an elongation ra...
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WO/2022/270053A1 |
Provided is a hot-dip galvanized steel sheet that has a high YR value and high ductility, stretch flangeability and bendability, has improved shearing workability, and has a TS value of 1180 MPa or more. In the hot-dip galvanized steel s...
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WO/2022/270642A1 |
A method for manufacturing a knife blade having a multilayer structure is provided. The method for manufacturing a knife blade having a multilayer structure comprises the steps of: i) providing a base material including carbon steel; ii)...
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WO/2022/270092A1 |
A steel sheet non-plating defect prediction method according to the present invention is for equipment which is for manufacturing hot-dip galvanized steel sheets and which is provided with an annealing furnace and a plating apparatus dis...
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WO/2022/267173A1 |
High-strength, low-temperature-resistant H-shaped steel for marine engineering tempering treatment and a preparation method therefor. The chemical components of the H-shaped steel comprise according to percentage by weight: C: 0.09-0.15,...
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WO/2022/270100A1 |
The present invention provides a high-strength steel sheet that exhibits a high stretch-flangeability, an increased YR in both the direction perpendicular to rolling and the rolling direction, and at least 1180 MPa for the TS.　The high...
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WO/2022/269021A1 |
The invention relates to a method for producing a flat steel product (10) having a flat steel base (12) and a zinc- or aluminium-based metal coating (14) on at least one surface (16) of the flat steel base (12), said flat steel base (12)...
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WO/2022/269742A1 |
This hot-rolled steel sheet has a prescribed chemical composition, and the metallographic structure thereof includes, by area ratio, 53.0% to 76.0% of ferrite, 3.0% to 10.0% of martensite, 14.0% to 39.0% of bainite, and 2.6% or less of p...
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WO/2022/264948A1 |
Provided is a steel part excellent in abrasion resistance. This steel part: has a predetermined component composition; has an average prior austenite grain diameter of 25 µm or smaller; and contains carbides containing at least one of N...
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WO/2022/263887A1 |
Method for producing a steel part comprising by weight: 0.05% ≤ C ≤ 0.15%, 0.01% ≤ Si ≤ 1%, 1.2% ≤ Mn ≤ 2%, 0.1% ≤ Cr ≤ 2%, 0.001 ≤ Al ≤ 0.1%, 0.003% ≤ N ≤ 0.01%, 0 ≤ S ≤ 0.015%, 0 ≤ P ≤ 0.015%,0% ≤ Ni â...
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WO/2022/265453A1 |
The present invention relates to an ultra high strength steel sheet having a high yield ratio, and a method for manufacturing same and, more specifically, to a steel sheet having ultra high strength, a high yield ratio and excellent bend...
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WO/2022/264585A1 |
Provided is a high-strength galvanized steel sheet that has a tensile strength of at least 1320 MPa and excellent moldability and fatigue strength of spot-welded sections. Component compositions of the steel sheet include, by mass%, 0.15...
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WO/2022/262267A1 |
A door uncovering machine and method. The door uncovering machine comprises a door frame (1), a hoisting mechanism (2), a pick-up mechanism (3), an operating mechanism (4) and a control system. A guide rail (13) is provided in the door f...
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WO/2022/264999A1 |
Provided is a thin nanocrystal alloy band production method with which it is possible to obtain, in a highly productive manner, a thin nanocrystal alloy band having excellent magnetic characteristics and isotropy. A method for producing ...
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WO/2022/264947A1 |
Provided is a cold-rolled steel sheet that exhibits an excellent toughness. The cold-rolled steel sheet has a prescribed component composition, wherein: the average particle diameter of carbide containing at least one of Nb, Ti, and V an...
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WO/2022/265289A1 |
The present invention relates to a machine structure wire rod, which is applicable to vehicles, construction components and the like, and a manufacturing method therefor, and to a wire rod having excellent drawability, and a method for m...
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WO/2022/264749A1 |
This hot-rolled steel sheet has a predetermined chemical composition comprising 0.300-1.000% of Sn, has a metallic structure that is, by area%, not less than 20.0% but less than 90.0% ferrite, has a standard deviation of Sn concentration...
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WO/2022/264998A1 |
Provided are: a thin nanocrystal alloy band having excellent magnetic characteristics, and isotropy; and a production method for the thin nanocrystal alloy band. A method for producing a thin nanocrystal alloy band, the method comprising...
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WO/2022/258008A1 |
The present application relates to an ultra-lightweight steel wheel (1) for a commercial vehicle. The steel wheel has excellent material properties and advanced design. The wheel consists of a rim (2) for mounting a tire and spokes (3) h...
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WO/2022/257165A1 |
A multi-station device for heat treatment of a gear. In order to solve the problem of non-uniformity in heat treatment of the gear, the following solution is provided. The multi-station device comprises a box body (1), wherein a motor (5...
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WO/2022/258376A1 |
The invention relates to a method for producing a microalloyed steel, to a microalloyed steel, and to a combined casting/rolling installation. The combined casting/rolling installation (10) has a strand casting machine (15) with a mold (...
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WO/2022/259332A1 |
The electric resistance welded steel pipe for mechanical structural components comprises a straight pipe section comprising a base material region and an electric resistance welded region. The chemical composition of the base material re...
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WO/2022/259606A1 |
This steel wire is formed of a steel containing 0.5-0.7 mass% of carbon, 1-2.5 mass% of silicon, 0.3-1 mass% of manganese, and 0.5-2 mass% of chromium, the remaining portion being iron and unavoidable impurities. The steel wire has a wir...
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WO/2022/259838A1 |
The purpose of the present invention is to provide: a high-strength steel sheet having a TS of 1320 MPa or more and an El of 8% or more, and exhibiting an exhibiting an excellent range of clearance suitable against hole expanding deforma...
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WO/2022/257902A1 |
Provided are a manufacturing method for a hot-dip galvanized steel plate, and the hot-dip galvanized steel plate. The method comprises: hot rolling a slab into a steel plate, and pickling and cold rolling after coiling; performing contin...
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WO/2022/259837A1 |
The purpose of the present invention is to provide: a high-strength steel sheet having a TS of 1320 MPa or more and a YR of 85% or more, and exhibiting an excellent range of clearance suitable against delayed fractures; and a manufacturi...
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WO/2022/218831A9 |
The invention relates to a method for the heat treatment of metal workpieces, in particular transmission components, in which carburized metal workpieces are introduced into a means for heating workpieces and are heated therein, wherein ...
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WO/2022/218832A9 |
The invention relates to a control device and a method for controlling a process for the thermal treatment of metal workpieces by means of a hardening furnace, which comprises a heating portion for heating workpieces and a discharging po...
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WO/2022/218829A9 |
The invention relates to a method for the heat treatment of metal workpieces (WB), in particular transmission components, wherein preferably carburized metal workpieces (WB) are introduced into a means (TK) for heating workpieces and are...
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WO/2022/254847A1 |
Provided is a steel plate whereby excellent quality of appearance can be realized in a molded article.　A steel plate, wherein the chemical composition thereof, in terms of mass%, is 0.030-0.145% C, 0-0.500% Si, 0.50-2.50% Mn, 0-0.100% ...
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WO/2022/253468A1 |
The invention relates to a method for heating a furnace, wherein the furnace comprises an inner chamber and a outer chamber. A process gas is introduced into the inner chamber. A fuel is combusted with an oxidant to produce combustion ga...
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WO/2022/218830A9 |
The invention relates to a device for the heat treatment of metal workpieces, in particular transmission components. The device according to the invention comprises at least one means (TK) for heating workpieces (WP). The device also com...
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